Questions tagged [hdmi]

HDMI stands for High Definition Multimedia Interface. Along with the Composite RCA, HDMI is one of the devices' two video outputs. It provides high quality digital video.

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DPMS on Raspberry Pi 5?

I’ve got an RPi 5 onto which I installed Raspberry Pi OS a couple days ago. I can’t seem to get the display to power off (or even blank) when idle. Any attempt to use xset dmps results in: $ xset dpms ...
Rick's user avatar
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How to blank a touch screen without loss of signal from HDMI?

I want to blank a touch screen monitor on inactivity without loosing signal on HDMI. I've found xset dpms force off (and suspend and standby), but all these commands result in no signal being sent via ...
kravemir's user avatar
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HDMI issue: Arzopa display shows "no input" other displays work fine

I have a Raspberry Pi 5 running latest Pi OS (bookworm). It works fine with a Viewsonic Omni portable display. I unplugged the micro to mini HDMI cable from the Viewsonic and plugged it into an Arzopa ...
scripta's user avatar
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Is it feasible to make long-range PC monitor display extender with pi and openHD?

Wanted to ask more experienced users about the feasibility of this proposed project: Use OpenHD to transmit a PC monitor display wirelessly to another device (ie laptop). My thought process is that ...
anonymouscoder's user avatar
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No audio over HDMI with latest Raspberry Pi OS Lite official image - raspi-config not working

I use a Raspberry 3B+. After a fresh installation of latest Raspberry Pi OS Lite 64 bit (Bookworm official image : https://downloads.raspberrypi.com/raspios_lite_armhf/images/raspios_lite_armhf-2023-...
fdamien12's user avatar
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Duplicate screen AND use CEC on both HDMI ports (RPi 4)

I use a Raspberry Pi 4 with Raspbian 11 (bullseye). I want to duplicate the screen on both HDMI ports AND use CEC protocol to switch on/off the TVs. However, with dtoverlay=vc4-fkms-v3d I manage to ...
fdamien12's user avatar
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Applying real-time filter to HDMI input with HDMI output?

TL;DR: Is it possible to use a Raspberry Pi (or similar) to act as a live "filter" for a HDMI signal? My wife has bad vertigo and hasn't been able to watch live TV for a while now. A while ...
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Raspberry Pi 4: "omxplayer -o both" produces bad quality audio from jack but HDMI audio is fine

I'm using OMX Player to play a video stream sent to a Raspberry Pi 4 Model B (4GB) powered by a 20W / 3.0A Anker USB C plug. (Based on this project.) The code I'm using to launch OMX Player and route ...
Paul Freeman-Powell's user avatar
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How to force Raspi audio output to HDMI and keep it sticky?

I am running an headless Raspi 3B+ (bookworm) to play audio to a C4 system. The audio is sent out through HDMI but it happens that if I switch off the C4, amplifier the raspi defaults to the analog ...
Fabio Marzocca's user avatar
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Raspberry pi 400: no sound through HDMI

I've got a karaoke system with an hdmi input and an hdmi output. It works perfectly when connecting the input to a video player or a computer, but when connected to my pi, the image go through HDMI, ...
FredericP's user avatar
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Raspberry Pi 4 Dual Monitor, some UI not rendering

I have 2 small HDMI touchscreen monitors (480x480 resolution) connected to the 2 raspberry pi 4 HDMI inputs. I have these these monitors duplicating a single display. Touch input on each device maps ...
William Morrison's user avatar
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Why does my RPI4 not work with a female-to-female HDMI adaptor and HDMI extension cable?

My RPi4 works fine with a micro-HDMI to HDMI cable. But because that cable is too short I have bought a female-to-female HDMI adaptor (coupler) that I use to extend the micro-HDMI to HDMI cable with ...
Frank van Wensveen's user avatar
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Turn off hdmi RPI 4B bookworm

I want to find a way to turn on and off a HDMI connected display with simple command. In past it used to be something with xrandr, but due to linux forever evolving, it is not working anymore. i tried ...
dingo27mobile's user avatar
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Error setting up Raspberry Pi 4 + Electron + NextJS + external 7 inch touch monitor

I'm setting up a Raspberry Pi 4 with an external 7 touch screen monitor using HDMI and USB. I'm install RaspiOS Lite 64 bit together with my application and the following libraries: $ sudo apt-get ...
Mendes's user avatar
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Pi Zero 2 - Ubuntu Server 23.10 - HDMI doesn't work on TV

I have a device all setup and it works on my AOC monitor, however when I connect the device to a TV or projector I see the first few seconds of terminal output as ubuntu boots up, then the screen cuts ...
Eric Uldall's user avatar
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How to connect a Raspberry Pi 4B to an Apple Studio Display?

I have a Raspberry Pi 4B and I'd like to use my Apple Studio Display as a monitor for it. How can I do this? Would a cable or adapter work to go from the Raspberry Pi HDMI output to the Studio Display ...
Pyy's user avatar
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VLC - main decoder error: failed to create audio output

Just installed Raspberry Pi OS Lite 64 bits (no desktop) thanks to "Raspberry Pi Imager" I did sudo apt-get upgrade sudo apt-get update sudo apt-get install vlc I want to play a random mp4 ...
Guillaume's user avatar
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156 views

No HMDI audio using Raspberry OS on RPI4

Installed Raspberry OS on my PI4 and I cant seem to get the hdmi audio to work. I am using HDMI-1 Disabled the onboard audio Tried amixer commands Audio Settings in the rapi-config using pipewire. ...
Kendall's user avatar
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WaveShare Touchscreen RPI4 B kivy Input are doubled

I am on a projet for school using kivy on Rasp pi 4 Model B and I am using a WaveShare 7" Touchscreen. Normal setup (Touchscreen plug on RPI) : When i use my mouse (pluged to the RPI), function ...
DamanZ4's user avatar
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Send vlc images to the HDMI port on Pi 4

Attach a keyboard and mouse to Pi 4, log in, interface is through HDMI port. Invoke vlc on a jpeg, image also goes to the HDMI port. I want the same to happen headless. That is log in remotely via ssh,...
ron shenk's user avatar
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480x320 display HDMI - blank after boot

I am trying to get to work mini HDMI chinese 480x320 display. I want to display only console output, and that resolution is good enough for it. Display is known to be ok, during boot it shows good ...
dingo27mobile's user avatar
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Raspberry pi 3b+, 3 green flashes, no display at all

my raspberry pi 3b+ was used to catch flightradar 24 signals. Suddenly it stopped working. On close visual inspection there were signs of water droplets close to IO pins. Now it won't boot. Red light ...
S Sarkar's user avatar
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2 answers
3k views

Forcing HDMI output on Bookworm

I want to force both Raspberry 4 HDMI output's to 1920x1080@60Hz in desktop mode where either one output doesn't necessarily have a HDMI connected but usually will but often not at the same time. When ...
kleurbleur's user avatar
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rPi 4 two screen configuration without the gui

I tried plugging two screens with different dimentions into this pi4 and the result is a mess. What is more, I started with PiOS 64 lite, and am running the i3 desktop. Loving i3, but of course ...
Petr's user avatar
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Can the Pi 4 output independent 7.1 audio to each hdmi port? (i.e. 16 audio channels)

I gather that the Pi can output 7.1 audio over HDMI. But can it send two different 7.1 audio outputs to each of the HDMI ports? i.e. for a total of 16 audio outputs (provided I can extract the audio ...
askvictor's user avatar
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Wireless connection from RPi to screen?

How to wirelessly cast an Raspberry Pi to a screen, e.g. Miraclecast, DisplayLink, or even w. hardware assist such as from Goovis?
Prof. Pete's user avatar
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RPi 4B fails to output to monitor after boot

I'm trying to configure an RPi 4B as part of my homelab alongside other, older RPis. My usual steps would involve: Installing an OS (usually either Debian or Ubuntu server) using the Raspberry Pi ...
Jules's user avatar
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101 views

Bad resolution after boot with unconnected HDMI

I use Debian Bullseye with dtoverlay=vc4-fkms-v3d (for various reasons). I want my Raspberry Pi to boot with HDMI enabled with 1080p resolution even if HDMI is unconnected during boot. Everything ...
fdamien12's user avatar
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5-inch display GPIO to female HDMI socket converter

I hope you are well. I have a 5-inch display that only has GPIO for connecting to raspberry pi and there is no other port. how can I make a converter that connects to this display and give me a female ...
DSA5252's user avatar
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1 answer
138 views

raspberry 400 hdmi output does not follow config.txt

Have my new raspberry 400 with current Raspberry OS and connected a TV by the official micro-HDMI-cable. There is no problem getting an image, but it always goes to 1080p@50 mode (TV tells me that, ...
ridgy's user avatar
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4K video Stuck in raspberryPi4 (8GB RAM) even after doing required settings of config.txt

i am stuck at playing the 4K even at less frame rates (25fps) on the HMDI 0/1 of my raspberryPi4 (8GB,Cortex A7 CPU,1.5Ghz CPUspeed) even after desirable settings of raspi4 and being supported by the ...
Harsh Kumar's user avatar
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0 answers
25 views

HDMI to HDMI monitor keeps going black every 10 seconds then comming back

So i have my Pi connected to a small 7" monitor (feelworld T7 plus), and when i turn on the pi and let the video run it will periodically go black for just a second before coming back. The ...
linjen's user avatar
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0 answers
21 views

Waveshare display acting wierd

I am using a waveshare 7inch display it was working well but today when i connexted it to raspberry pi the output is unexpected Please help me out Thanks in advance
Raghav's user avatar
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No HDMI audio output

I am building a multiroom audio setup. For this, I want to play music from my Raspberry Pi Zero W via HDMI to a soundbar. The soundbar is working fine with my tv via HDMI. If I connect the tv as ...
Pukinn's user avatar
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0 answers
162 views

Custom Resolution on Raspberry Pi 4 (640x1080)

I have a samsung professional display, currently magic server is splitting the screen into thirds. On one third I have the input set as hdmi. To which I want to display my raspberry pi 4 on. The ...
pii's user avatar
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55 views

connecting raspberry pi 4 to external screen or control without changing any settings (broken touchscreen)

I'm using a Raspberry Pi 4 connected to the original touchscreen. A few days ago, the display stopped working. The system controlled by the pi seems to still be working, so the fault seems to lie in ...
Jamie's user avatar
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46 views

No hdmi signal when starting up raspberry pi

I'm completly new to raspberry pi and arn't getting any picture on the screen When I first got my Raspberry pi and set everything up I tried starting it to see if it works and everything worked ...
Emil's user avatar
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0 answers
29 views

HDMI port on old raspberry pi physically hot when ran on batteries?

I have a pi with a step-down and some batteries and for some reason the hdmi is the hottest part, even when I don't have a hdmi plugged in? Could somebody explain
Desmond's user avatar
-1 votes
1 answer
333 views

/dev/fb1 not present

Just bought my first RPi. I have my Pi 4 configured with two hdmi monitors using the two hdmi ports. Everything works fine on hdmi0 for doing standard stuff. I want to use hdmi1 for direct pixel ...
quickfoxlmd's user avatar
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0 answers
19 views

Display problem raspberry pi 4 b

i have a problem when i change the resolution i don't get the picture. At a resolution of 2560×1440 everything works but when I set it to 1920x1080 I don't get a picture.
Borzoff's user avatar
1 vote
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108 views

Rotate screen and touch overlay on ViewSonic LD2455 connected to raspberry pi 4b running ubuntu 5.19.0-1015-raspi

I would like to rotate the screen and touch overlay on my ViewSonic TD2455 connected to a Raspberry Pi 4b (4GB) running Ubuntu raspi 22.04 5.19.0-1015-raspi aarch64. I have tried all the usual ...
McCodeman's user avatar
2 votes
1 answer
472 views

Question concerning the display (ribbon cable) port on the board

I had an idea for a raspberry pi project, but i need some more info first. I looked a bit but i didn't see anything about it, what connector type does the display (ribbon cable) connector use, and ...
TheUser's user avatar
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1 vote
1 answer
175 views

Using one HDMI port as input with ability to switch outputs, possible?

Iv got a question that im having a hard time figuring out if its even possible. Does anyone know if its possible to use one of the HDMI ports on the Pi4 as an input, and have that signal passthrough ...
Cheyne's user avatar
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1 vote
0 answers
69 views

My raspberry pi is not working after I connected an android display to the one inside raspberry pi

So what happened was I connected an android display to my display thing inside the raspberry pi(not the hdmi). but then after that my raspberry pi did not work the pins all worked. But the hdmi did ...
Shreyansh Dash's user avatar
2 votes
0 answers
194 views

RPi 1 B+ boot failure on bullseye, buster works fine

I have an old Raspberry Pi Model B+ (B Plus) 512MB that has been going strong for years and I was trying to update it to bullseye. I started with a clean SD card and the RPi Imager. I can't seem to ...
Lee Ballard's user avatar
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0 answers
21 views

Monitor lightbox project – does this exist yet?

I have a second monitor next to my iMac. What I’d like to do is set up a Pi that simply outputs solid colour to the monitor over HDMI or composite (it has both), thus allowing me to use it as a video ...
Long Peter's user avatar
0 votes
2 answers
248 views

Adding a `cec-gpio` dtoverlay for CEC debugging

I want to build a CEC Debugger as described in the Kernel.org documentation with my Pi Zero 2 W, I plan on using something like this: I am having trouble with the final instructions listed to enable ...
Meberem's user avatar
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0 answers
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Raspberry Pi 4b HDMI cannot output 4k at 60hz

I have a raspberry pi 4b (8GB memory) installed in an Argon ONE v2 case (which automatically expand the micro HDMI port to full HDMI port). I installed the official 64bit OS and updated all packages ...
lewisxy's user avatar
3 votes
2 answers
182 views

Broken smd component

I broke what looks to be either a diode, capacitor or resistor on the board of my pi 4B they are related to the hdmi output i guess and I want to try and replace the surface mounted component(all four ...
Youssef Tairi's user avatar
1 vote
1 answer
413 views

Raspberry pi 400 HDMI audio problem with Bullseye

I see there is another question about HDMI audio on here but I have a permutation of it so I ask my question as well. I've tried everything to get HDMI audio on my pi400 working properly. I think it's ...
mrDBUG's user avatar
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